Question
If a tank can be filled by a tap in 12 hours, but due to
an outlet, it actually takes 9 hours longer to fill the tank, find the duration in which the outlet alone would empty the tank?Solution
Let tap ‘A’ fill the tank and tap ‘B’ empty the tank. Taking LCM of 12 and 21 = 84 Efficiency of A = 7 Efficiency of (A – B) = 4 Efficiency of B = 7 – 4 = 3 Tap B will empty the tank = 84/3 = 28 So, tap B will empty the tank in 28 hours.
Find the wrong number in the given number series,
29, 56, 120, 245, 501, 804Â
27, 35, 51, 75, 109, 147
1024 3072 384 1152 145 432
80, 88, 101, 122, 150, 185
6, 22, 76, 314, 1580, 9600
11, 12, 20, 58, 234, 1168
Find the wrong number in the given number series.
1, 4, 9, 16, 27, 36
There are two wrong number series given in question and three relationships has been derived from that you have to answer the correct relationship betwe...
63Â Â Â Â Â 98Â Â Â Â Â 140Â Â Â Â Â 192Â Â Â Â Â 251Â Â Â Â 318
...- Find the wrong number in the given number series.
12, 20, 31, 45, 62, 84
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